Shimano GRX RX810 Chainring - 42t 110 BCD 4-Bolt 11-Speed Black MFPN=31055427071 Tooth Count 16 Cassette Body

Tooth Count 16 Cassette Body Type Shimano 7 Speed Drivetrain Speeds Single Speed 3/32" Material Stainless Steel Defined Color Silver

The Shimano Ultegra FC-R8100 left crank arm features HOLLOWGLIDE structure that cuts weight yet maintains strength for better power transfer and quicker more precise front shifting

Double or Triple Double Drivetrain Speeds 12 Derailleur Capacity 16 Front Derailleur Clamp Braze-on Front Derailleur Cable Pull Electronic Front Der/Shifter Compatibility Shimano Road Di2 Max Ring (teeth) 55 Front Derailleur Style Traditional

Combines superb grip and high durability

Shimano GRX RX810 Chainring - 42t 110 BCD 4-Bolt 11-Speed Black MFPN=31055427071 Tooth Count 16 Cassette BodyShimano GRX RX810 Chainring 42t 110 BCD 4 Bolt 11 Speed Black. These chainrings are designed for the Shimano GRX FC RX810 crankset. TECH SPECS Color Black Ring Position Type Single Tooth Count 42 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Defined Color Black